General Knowledge - Basic General Knowledge - Discussion

Discussion Forum : Basic General Knowledge - Section 4 (Q.No. 29)
29.
Sir Humphry Davy was a British chemist who
invented the safety lamp for miners
discovered the anesthetic properties of nitrous oxide
both (a) and (b)
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Bharti Choudhary said:   8 years ago
Sir Humphry Davy, 1st Baronet PRS MRIA FGS was a Cornish chemist and inventor, who is best remembered today for isolating a series of substances for the first time: potassium and sodium in 1807.

Born: 17 December 1778, Penzance, United Kingdom.
Died: 29 May 1829, Geneva, Switzerland.
Spouse: Jane Apreece (m. 1812-1829).
Discovered: Potassium, Sodium, Calcium, Magnesium, Boron, Barium.
Awards: Copley Medal, Royal Medal, Rumford Medal.

Samir said:   1 decade ago
A miner is a person whose work or business is to extract ore or minerals from Earth. Mining is one of the most dangerous trades in the world.

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